Schumacher 120V 用户手册

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页码 24
DISPLAY 
ERROR or PROBLEM 
CORRECTION/RESET 
LHF 
Inverter error/malfunction  
Turn the unit OFF and then ON again.  If 
this condition persists, contact Technical 
Service 
4.  Digital Display Function LED 
This LED indicates what function the digital display is indicating – Volts, Amps, or Air Pressure 
(bar) 
5.  V/A Button 
By pressing this button, the digital display will indicate Volts or Amps.  The display will stay on for 
a few seconds and then shut off. 
6.  Air Button (bar) 
By pressing this button, the air circuit will open and allow adjustment of the air pressure at the 
regulator.  The digital display will indicate the air pressure (in bar). 
7.  Current Adjustment Knob 
By turning the knob, you can adjust the cutting current from minimum (10 amps) to the maximum 
power for your unit. 
8.  ON-OFF Switch 
The main ON-OFF switch is on the back of the unit. When switched ON, the switch will light up.  
When the unit is turned OFF, the internal fan will continue to run for several minutes to fully cool 
the unit.  Do not unplug or disconnect the unit until the fan has shut off. 
9.  Air Regulator 
To adjust the air pressure, lift the knob on the regulator to release it from its locked position, press 
the “bar” button on the front of the unit, and turn the regulator knob to adjust to the proper 
temperature.  Press down on the regulator knob to lock it in place. 
PLASMA TORCH OPERATION 
The torch is designed to be held comfortably in most positions. The trigger is on the bottom of the 
torch.  When pressed, within a fraction of a second air will begin to flow through the cutter and the 
torch. if air pressure and flow are correct, a plasma arc will be established at the end of the torch. 
When the trigger is released, the plasma arc will be shut off, but the air may continue to flow for a few 
seconds to cool the torch. 
The cutting arc can be restarted during this cooling air flow by depressing the trigger again and the arc 
will be reestablished within 1-2 seconds. 
 
 
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